CN206099902U - Transistor oscillator - Google Patents
Transistor oscillator Download PDFInfo
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- CN206099902U CN206099902U CN201620963368.2U CN201620963368U CN206099902U CN 206099902 U CN206099902 U CN 206099902U CN 201620963368 U CN201620963368 U CN 201620963368U CN 206099902 U CN206099902 U CN 206099902U
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- electric capacity
- transistor
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- resistor
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- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
The utility model discloses a transistor oscillator, a serial communication port, including transistor Q1, first resistance R1, second resistance R2, third resistance R3, first electric capacity C1, second electric capacity C2, third electric capacity C3, fourth electric capacity C4, the 5th electric capacity C5, inductor L1, power end, signal output part, hold, transistor Q1's collecting electrode power connection end, transistor Q1's collecting electrode is still through fourth electric capacity C4 earthing terminal, transistor Q1's base is through first resistance R1 earthing terminal, transistor Q1's base is still through second resistance R2 power connection end, transistor Q1's base is still through inductor L1 and first electric capacity C1 earthing terminal, transistor Q1's base still is connected to through second electric capacity C2 transistor Q1's projecting pole. The utility model discloses need not the crystal oscillator, adopt the core components and parts of transistor as the oscillator for the sine wave signal who produces is stable, need not the frequency doubling circuit, follow -up maintenance is convenient, seeks the reason when mistake appearing easily.
Description
Technical field
The utility model is related to signal source domain, is to be related to the signal source without crystal oscillator specifically.
Background technology
In modem electronic circuitry, signal source is one of requisite circuit.Signal source is supplied to the necessary reference of circuit
Signal, to reach the signal of the requirement for meeting signal transacting.Present signal source often uses crystal oscillator, needed for produce
The signal of frequency, but, crystal oscillator frequency is fixed, and due to physical cause, it is impossible to frequency is shaken at will change, therefore, using
In be very restricted.Also, the frequency that crystal oscillator is produced is frequently not required frequency, various frequencys multiplication or other frequency conversions are needed
After operating circuit process, signal processing circuit can be just given, increased the complexity of circuit.
Utility model content
To overcome the problems referred to above of the prior art, the utility model to provide a kind of design ingenious, simple structure crystal
Pipe oscillator.
To achieve these goals, the technical solution adopted in the utility model is as follows：
Transistor oscillator, including transistor Q1, first resistor R1, second resistance R2,3rd resistor R3, the first electric capacity
C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, inductor L1, power end, signal output part,
End；The colelctor electrode of the transistor Q1 connects power end, and the colelctor electrode of the transistor Q1 also passes through the 4th electric capacity C4 earth terminals；Institute
The base stage of transistor Q1 is stated by first resistor R1 earth terminal, the base stage of the transistor Q1 also connects power supply by second resistance R2
End, the base stage of the transistor Q1 also by inductor L1 and the first electric capacity C1 earth terminals, also lead to by the base stage of the transistor Q1
Cross the emitter stage that the second electric capacity C2 is connected to the transistor Q1；The emitter stage of the transistor Q1 the 3rd electric capacity in parallel
C3,3rd resistor R3 are connected to ground terminal, and the emitter stage of the transistor Q1 is also connected to output end by the 5th electric capacity C5.
Specifically, the transistor Q1 is NPN pipes.
Specifically, the resistance of first resistor R1 is 10 kilohms, and the resistance of second resistance R2 is 2 kilohms,
The resistance of 3rd resistor R3 is 4.7 kilohms；The capacitance of the first electric capacity C1 is 100pF, the second electric capacity C2's
Capacitance is 100pF, and the capacitance of the 3rd electric capacity C3 is 100pF, and the capacitance of the 4th electric capacity C4 is 10uF, and the described 5th is electric
The capacitance for holding C5 is 470pF.
Specifically, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5 are
Electrochemical capacitor.
Specifically, the supply voltage of the power end is positive 9 volts；The output end is output as the sine of frequency 100KHz
Ripple.
Compared with prior art, the utility model has the advantages that：
The utility model, as the core component of oscillator, does not use crystal oscillator using transistor.Resulting signal is
The sinusoidal signal of 100KHz.Because the circuit does not have crystal oscillator, so without the need for frequency multiplier circuit so that the oscillator composed component is few,
It is easy to safeguard.
Description of the drawings
Fig. 1 is connection diagram of the present utility model.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is described in further detail, and embodiment of the present utility model includes
But it is not limited to the following example.
Embodiment
As shown in figure 1, transistor oscillator, including transistor Q1, first resistor R1, second resistance R2,3rd resistor R3,
First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, inductor L1, power end, signal are defeated
Go out end, ground terminal；The colelctor electrode of the transistor Q1 connects power end, and the colelctor electrode of the transistor Q1 is also connect by the 4th electric capacity C4
Ground terminal；The base stage of the transistor Q1 also passes through second resistance by first resistor R1 earth terminal, the base stage of the transistor Q1
R2 connects power end, and the base stage of the transistor Q1 also passes through inductor L1 and the first electric capacity C1 earth terminals, the transistor Q1's
Base stage is also connected to the emitter stage of the transistor Q1 by the second electric capacity C2；The emitter stage of the transistor Q1 is in parallel
3rd electric capacity C3,3rd resistor R3 are connected to ground terminal, and the emitter stage of the transistor Q1 is also connected to defeated by the 5th electric capacity C5
Go out end.The transistor Q1 is NPN pipes.The resistance of first resistor R1 is 10 kilohms, the resistance of second resistance R2
For 2 kilohms, the resistance of 3rd resistor R3 is 4.7 kilohms；The capacitance of the first electric capacity C1 is 100pF, described the
The capacitance of two electric capacity C2 is 100pF, and the capacitance of the 3rd electric capacity C3 is 100pF, and the capacitance of the 4th electric capacity C4 is 10uF,
The capacitance of the 5th electric capacity C5 is 470pF.The first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4,
5th electric capacity C5 is electrochemical capacitor.The supply voltage of the power end is positive 9 volts；The transistor oscillator produces sine wave
Signal, the sine wave signal frequency of oscillation is 100KHz.
Above-described embodiment is only preferred embodiment of the present utility model, not to the restriction of the utility model protection domain,
In every case design principle of the present utility model, and the change for carrying out non-creativeness work on this basis and making are adopted, all should
Belong within protection domain of the present utility model.
Claims (5)
1. transistor oscillator, it is characterised in that including transistor Q1, first resistor R1, second resistance R2,3rd resistor R3,
First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, inductor L1, power end, signal are defeated
Go out end, ground terminal；
The colelctor electrode of the transistor Q1 connects power end, and the colelctor electrode of the transistor Q1 also passes through the 4th electric capacity C4 earth terminals；
The base stage of the transistor Q1 also passes through second resistance R2 by first resistor R1 earth terminal, the base stage of the transistor Q1
Power end is connect, the base stage of the transistor Q1 is also by inductor L1 and the first electric capacity C1 earth terminals, the base of the transistor Q1
Pole is also connected to the emitter stage of the transistor Q1 by the second electric capacity C2；
The emitter stage of the transistor Q1 the 3rd electric capacity C3 in parallel, 3rd resistor R3 are connected to ground terminal, the transistor
The emitter stage of Q1 is also connected to output end by the 5th electric capacity C5.
2. transistor oscillator according to claim 1, it is characterised in that the transistor Q1 is NPN pipes.
3. transistor oscillator according to claim 2, it is characterised in that the resistance of first resistor R1 is 10 kilo-ohms
Nurse, the resistance of second resistance R2 is 2 kilohms, and the resistance of 3rd resistor R3 is 4.7 kilohms；First electric capacity
The capacitance of C1 is 100pF, and the capacitance of the second electric capacity C2 is 100pF, and the capacitance of the 3rd electric capacity C3 is 100pF, described
The capacitance of the 4th electric capacity C4 is 10uF, and the capacitance of the 5th electric capacity C5 is 470pF.
4. the transistor oscillator according to any one of claims 1 to 3, it is characterised in that the first electric capacity C1, second
Electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5 are electrochemical capacitor.
5. the transistor oscillator according to any one of claims 1 to 3, it is characterised in that the power supply electricity of the power end
Press as positive 9 volts；The output end is output as the sine wave of frequency 100KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963368.2U CN206099902U (en) | 2016-08-29 | 2016-08-29 | Transistor oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963368.2U CN206099902U (en) | 2016-08-29 | 2016-08-29 | Transistor oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099902U true CN206099902U (en) | 2017-04-12 |
Family
ID=58474295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620963368.2U Expired - Fee Related CN206099902U (en) | 2016-08-29 | 2016-08-29 | Transistor oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206099902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759439A (en) * | 2019-10-14 | 2020-02-07 | 北京航天国环技术有限公司 | Device for degrading nitrogen-containing compound waste |
-
2016
- 2016-08-29 CN CN201620963368.2U patent/CN206099902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759439A (en) * | 2019-10-14 | 2020-02-07 | 北京航天国环技术有限公司 | Device for degrading nitrogen-containing compound waste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20170829 |